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Finding the Fourth Proportional to 595,438.56, 897,129.52 and 538,578.24

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Solution

The fourth proportional to 595,438.56, 897,129.52 and 538,578.24 is: 811,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,438.56 : 897,129.52 = 538,578.24 : x
  2. Step 2: Convert to fraction form
    595,438.56/897,129.52 = 538,578.24/x
  3. Step 3: Cross multiply
    595,438.56x = 897,129.52 × 538,578.24
  4. Step 4: Simplify right side
    595,438.56x = 483,174,437,933.65
  5. Step 5: Solve for x
    x = 483,174,437,933.65/595,438.56
  6. Step 6: Final answer
    x = 811,459.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.